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ASTM D4141-07

(Practice)

Standard Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings

Standard Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings

SCOPE
1.1 This practice covers two accelerated outdoor exposure procedures for evaluating the exterior durability of coatings applied to substrates.
1.2 The two procedures are as follows:
1.2.1 Procedure A - Black Box Exposure.
1.2.2 Procedure C - Fresnel Reflector Rack Exposure.Note 1
Procedure B described a Heated Black Box procedure that is no longer in common use.
1.3 This standard does not cover all the procedures that are available to the user for accelerating the outdoor exposure of coatings. Other procedures have been used in order to provide a particular effect; however, the two procedures described here are widely used.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Jun-2007
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.27 - Accelerated Testing
Current Stage
Ref Project

Relations

Replaces
ASTM D4141-01 - Standard Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings
Effective Date
01-Jul-2007
Referred By
ASTM D3794-22 - Standard Guide for Testing Coil Coatings
Effective Date
01-Jul-2007
Referred By
ASTM G178-16(2023) - Standard Practice for Determining the Activation Spectrum of a Material (Wavelength Sensitivity to an Exposure Source) Using the Sharp Cut-On Filter or Spectrographic Technique
Effective Date
01-Jul-2007
Referred By
ASTM D3451-06(2017) - Standard Guide for Testing Coating Powders and Powder Coatings
Effective Date
01-Jul-2007
Referred By
ASTM D6763-16(2022) - Standard Guide for Testing Exterior Wood Stains and Clear Water Repellents
Effective Date
01-Jul-2007
Referred By
ASTM D5589-19 - Standard Test Method for Determining the Resistance of Paint Films and Related Coatings to Algal Defacement
Effective Date
01-Jul-2007
Referred By
ASTM G90-23 - Standard Practice for Performing Accelerated Outdoor Weathering of Materials Using Concentrated Natural Sunlight
Effective Date
01-Jul-2007
Referred By
ASTM D6577-15(2019) - Standard Guide for Testing Industrial Protective Coatings
Effective Date
01-Jul-2007
Referred By
ASTM D1654-08(2016)e1 - Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments
Effective Date
01-Jul-2007

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ASTM D4141-07 - Standard Practice for Conducting Black Box and Solar Concentrating Exposures of CoatingsASTM D4141-07 - Standard Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings
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ASTM D4141-07 - Standard Practice for Conducting Black Box and Solar Concentrating Exposures of Coatings
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D4141 − 07
StandardPractice for
Conducting Black Box and Solar Concentrating Exposures
1
of Coatings
This standard is issued under the fixed designation D4141; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D772 Test Method for Evaluating Degree of Flaking (Scal-
ing) of Exterior Paints
1.1 This practice covers two accelerated outdoor exposure
D823 Practices for Producing Films of Uniform Thickness
procedures for evaluating the exterior durability of coatings
of Paint, Varnish, and Related Products on Test Panels
applied to substrates.
D2244 Practice for Calculation of Color Tolerances and
1.2 The two procedures are as follows:
Color Differences from Instrumentally Measured Color
1.2.1 Procedure A—Black Box Exposure.
Coordinates
1.2.2 Procedure C—Fresnel Reflector Rack Exposure.
D4214 Test Methods for Evaluating the Degree of Chalking
of Exterior Paint Films
NOTE 1—Procedure B described a Heated Black Box procedure that is
no longer in common use. D7091 Practice for Nondestructive Measurement of Dry
Film Thickness of Nonmagnetic Coatings Applied to
1.3 This standard does not cover all the procedures that are
Ferrous Metals and Nonmagnetic, Nonconductive Coat-
available to the user for accelerating the outdoor exposure of
ings Applied to Non-Ferrous Metals
coatings. Other procedures have been used in order to provide
G7 Practice for Atmospheric Environmental Exposure Test-
a particular effect; however, the two procedures described here
ing of Nonmetallic Materials
are widely used.
G90 Practice for Performing Accelerated Outdoor Weather-
1.4 This standard does not purport to address all of the
ing of Nonmetallic Materials Using Concentrated Natural
safety concerns, if any, associated with its use. It is the
Sunlight
responsibility of the user of this standard to establish appro-
G113 Terminology Relating to Natural andArtificial Weath-
priate safety and health practices and determine the applica-
ering Tests of Nonmetallic Materials
bility of regulatory limitations prior to use.
G141 Guide for Addressing Variability in Exposure Testing
of Nonmetallic Materials
2. Referenced Documents
G147 Practice for Conditioning and Handling of Nonmetal-
2
2.1 ASTM Standards:
lic Materials for Natural and Artificial Weathering Tests
D523 Test Method for Specular Gloss
G169 Guide for Application of Basic Statistical Methods to
D660 Test Method for Evaluating Degree of Checking of
Weathering Tests
Exterior Paints
3. Terminology
D661 Test Method for Evaluating Degree of Cracking of
Exterior Paints
3.1 The definitions given in Terminology G113 are appli-
D662 Test Method for Evaluating Degree of Erosion of
cable to this practice.
Exterior Paints
4. Summary of Practice
D714 Test Method for Evaluating Degree of Blistering of
Paints
4.1 Several procedures are described that provide accelera-
tion of the degradation that coatings evidence during natural
weatheringwhenexposedonanopenrackatafixedangle.The
1
This practice is under the jurisdiction of ASTM Committee D01 on Paint and
procedures appear in the following order:
Related Coatings, Materials, and Applications and is the direct responsibility of
4.1.1 Procedure A—Exposureonablackboxrackfacingthe
Subcommittee D01.27 on Accelerated Testing.
equator at 5° from the horizontal.
Current edition approved July 1, 2007. Published July 2007. Originally approved
4.1.2 Procedure C—Exposure on a Fresnel reflector rack
in 1982. Last previous edition approved in 2001 as D4141 – 01. DOI: 10.1520/
D4141-07.
that provides a high irradiance by following the sun and
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
concentrating sunlight on the test specimens by means of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
mirrors. The specimens are wet periodically by high purity
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. water spray.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D4141 − 07
4.2 The selection of Procedure A or C is dependent on 5.3 The durability of coatings in outdoor use can be very
several factors. different depending on the location of the exposure because of
4.2.1 Procedure A is designed to simulate the weathering differences in ultraviolet (UV) radiation, time of wetness,
that occurs on horizontal insulated surfaces. Specimens are temperature, pollutants, and other factors. Therefore, it cannot
typically flat-coated metal p
...

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